• 23 Wisconsin Historical Society Library
• 9 WHS State Archives Preservation Facility
• 1 Wisconsin Historical Society Archives

• 32 Journals, Magazines, Newspapers
• 4 Microforms

• 6 Food industry and trade
• 5 Postal service
• 5 Railroads
• 4 United Food and Commercial Workers International Union
• 2 Aerospace industries
• 2 Canadian Union of Postal Workers
• 2 Electric industry workers
• 2 Fire fighters
• 2 Food service
• 2 International Association of Machinists and Aerospace Workers
• 2 International Union of Mine, Mill, and Smelter Workers
• 2 International Union, Security, Police, and Fire Professionals of America
• 2 Machinists
• 2 Mechanics (Persons)
• 2 Mineral industries
• 2 Miners
• 2 Police
• 2 Printing industry
• 2 Private security services
• 2 Telecommunication
• 2 Television broadcasting
• 2 Working class
• 1 American Federation of Labor

• 4 United Food and Commercial Workers International Union
• 3 Canadian Union of Postal Workers
• 3 Rail Canada Traffic Controllers
• 2 Food and Service Workers of Canada
• 2 International Association of Machinists and Aerospace Workers
• 2 International Union of Mine, Mill, and Smelter Workers
• 2 International Union, Security, Police, and Fire Professionals of America
• 1 Alliance of Canadian Cinema, Television and Radio Artists
• 1 Association of Canadian Television and Radio Artists
• 1 Association of Postal Officials of Canada
• 1 Brotherhood of Express Employees of Canada
• 1 Canadian Telephone Employees' Association
• 1 Communications and Electrical Workers of Canada
• 1 Communications, Electronic, Electrical, Technical and Salaried Workers of Canada
• 1 Communications, Energy and Paperworkers Union of Canada
• 1 IWA Council of the United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union
• 1 IWA Council of the United Steelworkers of America
• 1 International Alliance of Theatrical Stage Employees and Moving Picture Machine Operators of the United States and Canada
• 1 International Brotherhood of Operative Potters
• 1 International Brotherhood of Pottery and Allied Workers
• 1 International Non-operating Railway Unions in Canada
• 1 International Woodworkers of America-Canada
• 1 Labour Cooperative Educational and Publishing Society
• 1 Letter Carriers' Union of Canada
• 1 National Association of Broadcast Employees and Technicians

• 32 English
• 11 French
• 2 Spanish

• 11 United States
• 2 West (U.S.)
• 1 East Liverpool
• 1 East Liverpool (Ohio)
• 1 Ohio

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